Home / 930,355.20-1,394,646.90-298,826.22

Finding the Fourth Proportional to 930,355.20, 1,394,646.90 and 298,826.22

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Solution

The fourth proportional to 930,355.20, 1,394,646.90 and 298,826.22 is: 447,954.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,355.20 : 1,394,646.90 = 298,826.22 : x
  2. Step 2: Convert to fraction form
    930,355.20/1,394,646.90 = 298,826.22/x
  3. Step 3: Cross multiply
    930,355.20x = 1,394,646.90 × 298,826.22
  4. Step 4: Simplify right side
    930,355.20x = 416,757,061,361.72
  5. Step 5: Solve for x
    x = 416,757,061,361.72/930,355.20
  6. Step 6: Final answer
    x = 447,954.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.